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Thread processing of graphite electrodes

May 21, 2019
Thread processing of graphite electrodes is a key process in machining and the final machining process. Most of the domestic carbon industry uses C630 car sheet knives for milling. The disadvantages are serious tool wear, large pitch error, high tooth surface roughness, troublesome chamfer adjustment, and difficulty in uniformity. The manual comb processing of some enterprises has been or is being modified. Compared with the single-knife processing, the thread precision and the tooth surface quality have been greatly improved, but the axial and radial dimensions are difficult to precisely control, the chamfer is irregular, and the length of the electrode is not First, it is difficult to get the knife, and the labor intensity of the workers is also great.